ESS has been tested with

  * R >=0.49

  * S-PLUS 3.3-4, 4.5, 2000, 5.0-1, 6.0-2, 7.0, 8.0

  * S4

  * SAS >=6.12

  * BUGS 0.5, 0.6

  * JAGS 1.0

  * Stata >=6.0 (recent Stata support limited due to changes in Stata)

on the following platforms

  * Linux/x86 (all)

  * Solaris/SPARC (all)

  * MS Windows 98/NT/2000/XP (R, SPLUS 4.5/2000/6.0-2/7.0/8.0, SAS interactive only, and BUGS 0.6)

  * Apple Mac OS X 10.3-4 (R, JAGS)

with the following versions of emacs

  * GNU Emacs 20.3-7, 21.1, 21.3-4, 22.1

  * XEmacs 21.4.0-8, 21.4.9-13 (require the files.el patch to revert-buffer for the Local Variables updating problem), 21.4.14-15, 21.4.17-21 (betas not supported, but 21.5.23+ may work)